Possible BGP hijack

Beginning at 2018-10-10 06:00:55 UTC, we detected a possible BGP hijack.

Prefix 2400:3dc0::/32, is normally announced by AS134371 CIRCLE NETWORK BANGLADESH.

But beginning at 2018-10-10 06:00:55, the same prefix (2400:3dc0::/32) was also announced by ASN 36040.

This was detected by 2 BGPMon peers.

Expected
Start time: 2018-10-10 06:00:55 UTC
Expected prefix: 2400:3dc0::/32
Expected ASN: 134371 (CIRCLE NETWORK BANGLADESH)
Event Details
Detected advertisement: 2400:3dc0::/32
Detected Origin ASN 36040 (Google LLC)
Detected AS Path 11071 36213 15169 36040
Detected by number of BGPMon peers: 2

Watch the replay of this event